\begin{table}[!htbp] \centering
\caption{Mean electoral share in sample}
\label{tab:did_deco}
\small
\begin{tabular}{lccccccc}
\\[-1.8ex]\hline
\hline \\[-1.8ex]
\\[-1.8ex]
& \multicolumn{3}{c}{June 2016} & \multicolumn{3}{c}{April 2019} & \\\\[-1.8ex]
\cline{2-7}\\[-1.8ex]
Party & $Control$ & $Treated$ & $\Delta$ & $Control$ & $Treated$ & $\Delta$ & $\Delta_{2019} - \Delta_{2016}$ \\
\hline \\[-1.8ex]
Vox & 0.21 & 0.21 & 0 & 12.54 & 13.28 & 0.74 & 0.74 \\
PP & 41.22 & 46.77 & 5.55 & 23.83 & 27.68 & 3.85 & -1.7 \\
PSOE & 29.13 & 28.01 & -1.12 & 33.38 & 32.03 & -1.35 & -0.23 \\
\hline
\hline \\[-1.8ex]
\end{tabular}
\end{table}

